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Concrete slip form additive

An additive and concrete technology, applied in the field of concrete additives, can solve problems such as poor sulfate corrosion resistance and no antifreeze function, and achieve the effects of improving sulfate corrosion resistance, inhibiting sulfate corrosion, and compensating for strength loss.

Inactive Publication Date: 2020-02-04
徐州新路智能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing concrete additives do not have antifreeze function and poor resistance to sulfate attack

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] Embodiment 1: The present embodiment provides a kind of concrete sliding form additive, comprises the following components by weight: 50 parts of barium-based modified bentonite; 17 parts of kaolin; 15 parts of hydrotalcite powder; 18 parts of solid water glass; 5 parts of antifreeze ; 15 parts of fly ash.

[0013] Mix barium-based modified bentonite, kaolin, hydrotalcite powder, solid water glass, antifreeze, and fly ash according to the above ratio, and grind the mixture in a grinder until the specific surface area of ​​the ground powder reaches 400m2 / kg or more. The bag is sealed.

[0014] A concrete slipform additive in this embodiment has good frost resistance, can fundamentally inhibit the sulfate attack of concrete, improve the ability of concrete to resist sulfate attack, and the hydration of its own mineral components can compensate The strength loss of concrete has the characteristics of long effectiveness.

Embodiment 2

[0015] Embodiment 2: The present embodiment provides a kind of concrete sliding form additive, comprises the following components by weight: 55 parts of barium-based modified bentonite; 20 parts of kaolin; 18 parts of hydrotalcite powder; 20 parts of solid water glass; 8 parts of antifreeze ; 20 parts of fly ash.

[0016] Mix barium-based modified bentonite, kaolin, hydrotalcite powder, solid water glass, antifreeze, and fly ash according to the above ratio, and grind the mixture in a grinder until the specific surface area of ​​the ground powder reaches 400m2 / kg or more. The bag is sealed.

[0017] A concrete slipform additive in this embodiment has good frost resistance, can fundamentally inhibit the sulfate attack of concrete, improve the ability of concrete to resist sulfate attack, and the hydration of its own mineral components can compensate The strength loss of concrete has the characteristics of long effectiveness.

Embodiment 3

[0018] Embodiment 3: The present embodiment provides a kind of concrete sliding form additive, comprises following weight ratio components: 52 parts of barium-based modified bentonite; 18 parts of kaolin; 16 parts of hydrotalcite powder; 19 parts of solid water glass; 6 parts of antifreeze ; 18 parts of fly ash.

[0019] Mix barium-based modified bentonite, kaolin, hydrotalcite powder, solid water glass, antifreeze, and fly ash according to the above ratio, and grind the mixture in a grinder until the specific surface area of ​​the ground powder reaches 400m2 / kg or more. The bag is sealed.

[0020] A concrete slipform additive in this embodiment has good frost resistance, can fundamentally inhibit the sulfate attack of concrete, improve the ability of concrete to resist sulfate attack, and the hydration of its own mineral components can compensate The strength loss of concrete has the characteristics of long effectiveness.

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Abstract

The invention discloses a concrete slip form additive. The concrete slip form additive comprises the following components by weight: 50-55 parts of barium-based modified bentonite, 17 to 20 parts of kaolin, 15 to 18 parts of hydrotalcite powder, 18 to 20 parts of solid water glass, 5-8 parts of an antifreezing agent, and 15-20 parts of fly ash. The concrete slip form additive disclosed by the invention has good frost resistance, can fundamentally inhibit sulfate corrosion of concrete and improve the sulfate corrosion resistance of the concrete, and hydration of mineral components contained inthe concrete slip form additive can compensate for strength loss of the concrete, so that the concrete slip form additive has the characteristic of long effectiveness.

Description

technical field [0001] The invention relates to the technical field of concrete additives, in particular to a concrete sliding form additive. Background technique [0002] Concrete additives, abbreviated as admixtures, are substances used to improve the performance of concrete. Existing concrete additives do not have the antifreeze function and have poor resistance to sulfate erosion. Contents of the invention [0003] In order to comprehensively solve the above problems, a concrete sliding form additive is provided aiming at the deficiencies in the prior art. [0004] To achieve the above object, the present invention adopts the following technical means: [0005] A concrete sliding form additive, comprising the following components by weight: 50-55 parts of barium-based modified bentonite; 17-20 parts of kaolin; 15-18 parts of hydrotalcite powder; 18-20 parts of solid water glass; 8 parts; 15-20 parts of fly ash. [0006] Further, it includes the following components...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B18/08C04B103/61
CPCC04B40/0039C04B2103/61C04B14/104C04B14/042C04B18/08C04B12/04C04B2103/601Y02W30/91
Inventor 尹畅
Owner 徐州新路智能科技有限公司
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